Re: [bitbake-devel] conditional inheriting classes does not work with bbappends

[Christian Eggers <ceggers@arri.de>]

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On Thursday, 7 April 2022, 23:59:39 CEST, Christopher Larson wrote:
> There’s no way to avoid that, inherit lines are evaluated *at the moment of inherit* on that line, they aren’t postponed.

ok, this is what I would expect. So how to handle this:

- do not conditionally inherit in PACKAGECONFIG (may be impossible)?
- do not set PACKAGECONFIG in bbappend files (use distro/machine/layer/local config for this)?

regards
Christian


>
> --
> Christopher Larson
> chris_larson@mentor.com, chris.larson@siemens.com, kergoth@gmail.com
> Principal Software Engineer, Embedded Linux Solutions, Siemens Digital Industries Software

_______________________________________________________
Christian
Eggers
Software Engineer
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​
> On Apr 7, 2022, 7:17 AM -0700, Christian Eggers <ceggers@arri.de>, wrote:
> > Example: meta-openembedded/meta-networking/recipes-support/chrony/chrony_4.2.bb
> >
> > --------------------------------8<--------------------------------
> > # Add chronyd user if privdrop packageconfig is selected
> > inherit ${@bb.utils.contains('PACKAGECONFIG', 'privdrop', 'useradd', '', d)}
> > USERADD_PACKAGES = "${@bb.utils.contains('PACKAGECONFIG', 'privdrop', '${PN}', '', d)}"
> > USERADD_PARAM:${PN} += "${@bb.utils.contains('PACKAGECONFIG', 'privdrop', '--system -d / -M --shell /bin/nologin chronyd;', '', d)}"
> >
> > ...
> >
> > PACKAGECONFIG ??= ...
> > -------------------------------->8--------------------------------
> >
> >
> > Problem #1: useradd is not inherited because PACKAGECONFIG is set below the conditional "inherit"
> > statement. Even when I add "privdrop" to PACKAGECONFIG here, useradd.bbclass is not inherited. I
> > must move the PACKAGECONFIG line above the inherit statement to make this work.
> >
> > Problem #2: Due to problem #1, useradd.bbclass is also not inherited when I add "privdrop" to
> > PACKAGECONFIG in bbappend file (in a custom layer).
> >
> > regards
> > Christian




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